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Planetary Gear
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Gear has a 1:1 ratio. One turn inside will also turn the outside exactly one round.
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Updated at source:
Model information
- Source
- Printables
- Category
- Mechanical Parts
- License
- Creative Commons — Public Domain
Gear has a 1:1 ratio. One turn inside will also turn the outside exactly one round.
Video: https://vimeo.com/456871494
Design:
- Fusion 360 -> Tools -> Add-ins -> Spur Gear
- Fusion 360 -> Solid -> Create -> FM Gears (Internal Gear)
Design Notes:
- FM Gear does not use any offset. To counter that I made the module slightly larger.
- Instead of using FM Gear you could also create a normal gear and use it to cut out the internal gear from a round solid. But don't use any Backlash for this one.
Wiki: https://en.wikipedia.org/wiki/Epicyclic_gearing
FM Gear: https://apps.autodesk.com/FUSION/en/Detail/Index?id=6294804001663532834
Print instructions
I used PETG since it sticks very well to the print bed. With PLA I have often problems if I have fine details in the first layer.